package net.minecraft.util;

import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import java.io.IOException;
import java.io.InputStream;
import java.util.IllegalFormatException;
import java.util.Map;
import java.util.regex.Pattern;
import org.apache.commons.io.Charsets;
import org.apache.commons.io.IOUtils;

public class StringTranslate {
	/**
	 * Pattern that matches numeric variable placeholders in a resource string, such
	 * as "%d", "%3$d", "%.2f"
	 */
	private static final Pattern numericVariablePattern = Pattern.compile("%(\\d+\\$)?[\\d\\.]*[df]");

	/**
	 * A Splitter that splits a string on the first "=". For example, "a=b=c" would
	 * split into ["a", "b=c"].
	 */
	private static final Splitter equalSignSplitter = Splitter.on('=').limit(2);

	/** Is the private singleton instance of StringTranslate. */
	private static StringTranslate instance = new StringTranslate();
	private final Map<String, String> languageList = Maps.<String, String>newHashMap();

	/**
	 * The time, in milliseconds since epoch, that this instance was last updated
	 */
	private long lastUpdateTimeInMilliseconds;

	public StringTranslate() {
		try {
			InputStream inputstream = StringTranslate.class.getResourceAsStream("/assets/minecraft/lang/en_US.lang");

			for (String s : IOUtils.readLines(inputstream, Charsets.UTF_8)) {
				if (!s.isEmpty() && s.charAt(0) != 35) {
					String[] astring = (String[]) Iterables.toArray(equalSignSplitter.split(s), String.class);

					if (astring != null && astring.length == 2) {
						String s1 = astring[0];
						String s2 = numericVariablePattern.matcher(astring[1]).replaceAll("%$1s");
						this.languageList.put(s1, s2);
					}
				}
			}

			this.lastUpdateTimeInMilliseconds = System.currentTimeMillis();
		} catch (IOException var7) {
			;
		}
	}

	/**
	 * Return the StringTranslate singleton instance
	 */
	static StringTranslate getInstance() {
		return instance;
	}

	/**
	 * Replaces all the current instance's translations with the ones that are
	 * passed in.
	 */

	public static synchronized void replaceWith(Map<String, String> p_135063_0_) {
		instance.languageList.clear();
		instance.languageList.putAll(p_135063_0_);
		instance.lastUpdateTimeInMilliseconds = System.currentTimeMillis();
	}

	/**
	 * Translate a key to current language.
	 */

	public synchronized String translateKey(String key) {
		return this.tryTranslateKey(key);
	}

	/**
	 * Translate a key to current language applying String.format()
	 */

	public synchronized String translateKeyFormat(String key, Object... format) {
		String s = this.tryTranslateKey(key);

		try {
			return String.format(s, format);
		} catch (IllegalFormatException var5) {
			return "Format error: " + s;
		}
	}

	/**
	 * Tries to look up a translation for the given key; spits back the key if no
	 * result was found.
	 */
	private String tryTranslateKey(String key) {
		String s = (String) this.languageList.get(key);
		return s == null ? key : s;
	}

	/**
	 * Returns true if the passed key is in the translation table.
	 */

	public synchronized boolean isKeyTranslated(String key) {
		return this.languageList.containsKey(key);
	}

	/**
	 * Gets the time, in milliseconds since epoch, that this instance was last
	 * updated
	 */
	public long getLastUpdateTimeInMilliseconds() {
		return this.lastUpdateTimeInMilliseconds;
	}
}
